NCCCO Core Exams (2025 UPDATES STUDY BUNDLE
WITH COMPLETE SOLUTIONS) Questions and 100%
Correct Verified Answers | Grade A
Which of the following is an accurate statement about luffing
jibs? .....ANSWER.....It raises and lowers independent from the
boom
What is the weakest quadrant of a boom truck?
.....ANSWER.....Front
What effect would blocking up the ends of the tracks have on a
crane? .....ANSWER.....It would increase capacity over the ends
The tipping axis of a crawler crane is? .....ANSWER.....It depends
if the idler or sprocket are offset from track rollers
According to ASME B30.5 what percentage should not be
exceeded on a mobile crane during a load test?
.....ANSWER.....100%
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From strongest to weakest put the following hitches in order
.....ANSWER.....Basket, vertical, choker
Which of the following should synthetic slings not be used
around? .....ANSWER.....Acid
How often should you inspect a running rope?
.....ANSWER.....Daily
The radius on a crane chart refers to? .....ANSWER.....Center of
rotation to center of gravity of the load or hook
What percentage is the manufacture rate of capacity of a
mobile crane on outriggers? .....ANSWER.....85%
What percentage is the manufacture rated capacity of a rough
terrain crane on rubber? .....ANSWER.....75%
What is Lay length? .....ANSWER.....The distance required for a
strand to make a complete revolution around the rope
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What is one problem lubricating wire rope can cause?
.....ANSWER.....Obstructed view when inspecting the rope
What would What would call for a running rope to be taken out
of service? .....ANSWER.....Six randomly distributed broken wires
and one Lay or three in one strand and one lay
Which of these is known as a standing rope?
.....ANSWER.....Pendant line
If you are at a radius below the bold line on a load chart, which
does that mean? .....ANSWER.....Tipping, stability
To lift personnel, he must have an anti-two block on the crane?
.....ANSWER.....True
The personal platform must be proof tested to _________ Of the
platforms rated capacity .....ANSWER.....125%
The crane must be D rated ______ To lift personnel
.....ANSWER.....50%
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When lifting personnel, how should the rigging be a attached to
the hook? .....ANSWER.....With master link
When using wire rope slings, the eye of the slings shall have?
.....ANSWER.....Thimbles
The crane operator should respond to the stop signal from
anyone .....ANSWER.....True
On a rough terrain crane what is the strongest quadrant?
.....ANSWER.....Front
If an operator does not boom up to allow for a boom deflection,
the load will? .....ANSWER.....Move away from the Crane
Where should the boom be positioned when beginning a lift?
.....ANSWER.....Directly over the center of gravity of the load
A crane should always be barricaded within? .....ANSWER.....The
swing radius of the rear of the rotation superstructure
counterweight